AT
Ada Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marion, Indiana
Our Model Tree links this Ada Thomas across the 1920 and 1930 US Censuses in Marion, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 6-person household.
Age 42
b. ~1888
Female
Spouse
Born: Tennessee
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Thomas |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Occupation | Servant |
| Industry | Packing Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Servant |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1888 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ada | Age | Birth yr |
|---|---|---|---|---|
| Mabel Thomas | Daughter | — | 1 | ~1929 |
| Hubert Thomas | Head | — | 45 | ~1885 |
| Hubert Thomas | Son | — | 6 | ~1924 |
| Ada Thomas | Spouse | — | 42 | ~1888 |
| Laura Thomas | Daughter | — | 13 | ~1917 |
| Thelma Thomas | Daughter | — | 9 | ~1921 |
Census Appearances
1920
Marion, Indiana
Spouse, age 34
Marion, Indiana · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Housekeeper |
| Industry | at home |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Marion, Indiana
Spouse, age 42
Marion, Indiana · implied b. ~1888 — 6 household members
| Surname | Thomas |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Servant |
| Industry | Packing Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Ada Thomas across 2 US Census years (1920 and 1930) in Marion, Indiana, using XGBoost record linkage.
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This person
Anchor record
Ada Thomas
Spouse · 1930 · age 42 · b. ~1888 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Marion, Indiana
Open full size
1930 US Federal Census — Marion, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel608:0553)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harriett Wheeler | 40 | Head | Cook | Tennessee |
| 2 | Frank Wheeler | 18 | Lodger | Laborer | Tennessee |
| 3 | Effie Johnson | 41 | H | — | New York |
| 4 | Edward Johnson | 22 | Son | Paper Carrier | Indiana |
| 5 | Ben Decker | 55 | Head | Laborer | Kentucky |
| 6 | Dora Decker | 40 | Wife | — | Tennessee |
| 7 | Arvendalene Decker | 9 | Daughter | — | Indiana |
| 8 | Henderson Bostic | 45 | Head | Laborer | Tennessee |
| 9 | Ada Bostic | 44 | Wife | Servant | Kentucky |
| 10 | Fannie Boyles | 22 | Niece | Servant | Tennessee |
| 11 | Henry Halsell | 49 | Head | Laborer | Kentucky |
| 12 | William Mansfield | 38 | Lodger | Laborer | Kentucky |
| 13 | Joe Flakes | 41 | Head | Laborer | Tennessee |
| 14 | Gertie Flakes | 42 | Wife | — | Kentucky |
| 15 | Arthur Flakes | 15 | Son | — | Kentucky |
| 16 | Florence Williams | 53 | Head | — | Kentucky |
| 17 | Henry Griffin | 51 | Bro | Servant | Kentucky |
| 18 | Harry Johnson | 74 | Lodger | Cook | Illinois |
| 19 | Hubert Thomas | 45 | Head | Laborer | Tennessee |
| 20 | Ada Thomas THIS PERSON | 42 | Wife | Servant | Tennessee |
| 21 | Laura A Thomas | 13 | Daughter | — | Tennessee |
| 22 | Thelma Thomas | 9 | Daughter | — | Indiana |
| 23 | Hubert Jr Thomas | 6 | Son | — | Indiana |
| 24 | Mabel Thomas | 1 | Daughter | — | Indiana |
| 25 | Lucilla Aousley | 63 | Head | Laundress | Tennessee |
| 26 | William Francis | 54 | Nephew | Laborer | Tennessee |
| 27 | Sarah Rowlett | 36 | Head | Servant | Kentucky |
| 28 | Gladys Rowlett | 14 | Daughter | — | Kentucky |
| 29 | John M Rowlett | 12 | Son | — | Kentucky |
| 30 | Fred Fisher | 36 | Lodger | Porter | Indiana |
| 31 | Agney Gillum | 42 | Head | Laborer | Kentucky |
| 32 | Clay Gillum | 41 | Bro | Cook | Kentucky |
| 33 | Lon Nance | 54 | Lodger | Laborer | Kentucky |
| 34 | James Owens | 52 | Head | Laborer | Kentucky |
| 35 | Amelia Owens | 48 | Wife | — | Indiana |
| 36 | June Ferguson | 26 | Daughter | Servant | Indiana |
| 37 | John Ferguson | 7 | Gr Son | — | Indiana |
| 38 | George Ferguson | 6 | Gr Son | — | Indiana |
| 39 | Chas Boldman | 49 | Head | Laborer | Alabama |
| 40 | Mildred Boldman | 14 | Daughter | — | Texas |
| 41 | Marjorie Boldman | 16 | Daughter | — | Texas |
| 42 | Marshall Booker | 48 | Lodger | Laborer | Missouri |
| 43 | Edgar Ford | 34 | Head | Laborer | Kentucky |
| 44 | Beatrice Ford | 30 | Wife | — | Indiana |
| 45 | Eva Ford | 9 | Daughter | — | Indiana |
| 46 | Frances Ford | 6 | Daughter | — | Indiana |
| 47 | Warner Ford | 3 | Son | — | Indiana |
| 48 | Phoebe Ford | 1 | Daughter | — | Indiana |
| 49 | Cleo Smith | 56 | Head | Laundress | Kentucky |
| 50 | Ilene Mcnery | 29 | Daughter | Laundress | Kentucky |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)